Data

Questionnaires

Questionnaires and sampling

Data

Design a questionnaire and select appropriate questions. Understand that questions must not be vague or ambiguous. They must have a clearly defined response section. Must not be biased/leading. Must not be too personal. Include the use of intervals to help ask personal questions, e.g. age 40 to 59. Make suggestions on how to change a given questionnaire in order to improve itPlay Now